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Multicategory Purchase Incidence Models for Partitions of Product Categories

Hruschka, Harald


We analyze multicategory purchases of households by means of heterogeneous multivariate probit models that relate to partitions formed from a total of 25 product categories. We investigate both prior and post hoc partitions. We search model structures by a stochastic algorithm and estimate models by Markov chain Monte Carlo simulation. The best model in terms of cross-validated log-likelihood ...


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